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Announcing: CDH 4.3.1

Announcing: CDH 4.3.1

Master Collaborator

Dear CDH Users,


We are pleased to announce the general availability of CDH4.3.1. This is a maintenance update to the CDH4 platform that includes a security fix for a Apache Hadoop and Apache HBase "Man-in-the-Middle" vulnerability and provides a number of bug fixes and stability enhancements. Some of the key fixes include:

  • Hadoop
    • HADOOP-9439 - JniBasedUnixGroupsMapping crashes
    • HADOOP-8151 - Error handling in snappy decompressor throws invalid exceptions
  • HDFS
    • HDFS-4621 - Additional logging to help diagnose slow QJM logSync
  • HBase
    • HBASE-8446 - Allow parallel snapshot of different tables
    • HBASE-8690 - Reduce unnecessary getFileStatus hdfs calls in TTL hfile and hlog cleaners
    • HBASE-8706 - Some improvement in snapshot
    • HBASE-8712 - HFileLinkCleaner (FSUtils.listStatus) logs too much if links do not exists
    • HBASE-8742 - HTableDescriptor Properties not preserved when cloning
    • HBASE-8783 - RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong server name
    • HBASE-9158 - Serious bug in cyclic replication
  • MR
    • MAPREDUCE-5364 - Deadlock between RenewalTimerTask methods cancel() and run()
  • Hive:
    • HIVE-3300 - LOAD DATA INPATH fails if a hdfs file with same name is added to table
    • HIVE-3528 - Avro SerDe does not handle serializing Nullable types tht require access to a Schema
    • HIVE-3953 - Reading of partitioned Avro data fails because of missing properties
    • HIVE-4122 - Queries fail if timestamp data not in expected format
    • HIVE-4219 - Explain dependency does not capture the input table
    • HIVE-4272 - Partition wise metadata does not work for text files
    • HIVE-4342 - NPE for query involving UNION ALL with nested JOIN and UNION ALL
    • HIVE-4398 - HS2 Resource leak: operation handles not cleaned when originating session is closed
  • Oozie
    • OOZIE-1377 - OpenJPA runtime enhancement should be disabled and update OpenJPA to 2.2.2
    • OOZIE-1440 - Build fails in certain environments due to xerces OpenJPA issue

For more details on new features, please see New Features in CDH4.

Refer to the CDH4 Quick Start Guide or CCDH4 Installation Guide for more information on how to install this update release.

As always, we are happy to hear your feedback. Please send your comments and suggestions to or through our new community forums at



The Cloudera Team